Data and Reporting Senior Developer

📍 Client & contract: lead international bank | B2B 🗣️ Recruitment: phone screen with our recruiter + one on-line meeting with the hiring managers 🗺️ Hybrid work: 6 days per month from the office in Cracow About the project: You will work on building and maintaining high quality data solutions used across the bank. Your work will focus on developing data repositories and reusable data assets that support reporting and analytics at scale and help teams turn complex data into clear and reliable insights. All solutions are delivered in line with the bank’s data standards, with strong attention to quality, consistency and long term usability. What's in it for you: Prestigious position at one of the world's largest banks Stable, long-term projects Competitive salary with a B2B contract Hybrid work (6 days per month from the office in Cracow) and flexible working hours Private healthcare and multisport card Personal growth and development opportunities with the possibility to rotate between projects Referral program and company events Convenient parking
Requirements:
Proven experience of working in a data-related role (at least 3 years): SQL development, data analysis, data engineering, data architecture, data management and / or modelling with hands-on technical experience of using associated technologies Understanding of SQL programming and relational database system Experience with Google Cloud Platform Products , especially BigQuery and Looker Studio Experience in preparation of business reporting and front-end dashboards Knowledge of Python
Must have: Dashboarding, Looker Studio, SQL, Data analysis, Data engineering, Relational database, Google cloud platform, BigQuery, GCP, Python
Daily tasks: - Deliver data projects end-to-end, from requirements to final solution (KPIs, data models, metrics)
– Combine and validate data from multiple sources, ensuring consistency and accuracy
– Build and maintain data pipelines covering extraction, transformation, aggregation and validation
– Ensure secure and reliable data flow between systems
– Develop reporting solutions in Google Cloud and/or Microsoft SQL Server using SQL, Python and related tools
– Work with business and tech stakeholders to translate requirements into clear technical solutions
– Identify and suggest improvements in data processes
– Track risks and blockers and address them early
– Document data flows, logic and technical designs
– Drive assigned initiatives and ensure timely delivery